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vocabulary words

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
solar system   The sun and the objects that are traveling around it  
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planets   Objects that travel around a star in a path  
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gravity   A force of attraction ,or pull ,between any object and any other object due to their mass  
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inertia   the tendency of a moving object to keep moving in a straight line  
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revolving   orbiting  
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constellations   groups of stars that form patterns in the sky  
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inner planet   the group of planets closest to the sun  
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outer planets   the group of planets beyond the asteroid belt  
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asteroid belt   region between Mars and Jupiter where most asteroids are found  
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asteroid   one of the many small rocky objects that orbit the sun between the orbits of Mars and Jupiter  
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comet   a dirty snowball orbiting the sun a mixture of ices,frozen gases and dust left over from the formation of the solar system  
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meteor   A chunk of rock from space that burns up as it travels through earth's atmosphere  
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meteorite   a chunk of rock from space that strikes the surface of the earth or moon  
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galaxy   a collection of billions of stars. Our sun belongs to the Milky way Galaxy  
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Created by: msterrell
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